Solve problem. See EXAMPLE.
Concept Check Which one or more of the following cannot be a correct equation to solve a geometry problem, if x represents the length of a rectangle? (Hint: Solve equation and consider the solution.)
EXAMPLE FINDING THE DIMENSIONS OF A SQUARE
If the length of each side of a square is increased by 3 cm, the perimeter of the new square is 40 cm more than twice the length of each side of the original square. Find the dimensions of the original square.
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